Century Dictionary and Cyclopedia
- In L. Agassiz's system of classification, one of four orders of the class fishes, containing those in which the scales are ctenoid or pectinate. It was the third order of Agassiz's early classification, and contrasted with others called Cycloidei, Ganoidei, and Placoidei. It comprised most of the acanthopterygians, but proved to be an entirely artificial group, and is not now in use.
GNU Webster's 1913
- n. (Zoöl.) A group of fishes, established by Agassiz, characterized by having scales with a pectinated margin, as in the perch. The group is now generally regarded as artificial.
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